In the article is presented the design flexibility, with the freedom to make unanticipated changes at any time during the design process. After that are presented the CAM possibilities and an application using one of the 100 postprocessor who it is able to develop, for HAAS CNC machine-tools, with particularization on real applications. Is underline the software capabilities in educational CNC training applications with interactive communication between user and computer, with test and technical suggestions. After more than two year experience and practice with KELLER CAD/CAM software is present the advantages and disadvantages. Methodology adopted to prove the efficiently of the CAD/CAM software presented was the cases analyzed with their results and one real application with the impact efficiently in industrial area The feed back what students and the employers of industrial companies have after one training session and the results after a real application are the arguments who prove the efficiently of the CAD/CAM software implementation Take in consideration that to day all the companies want to obtain qualify and efficiently in their activities, the CAD/CAM software's are frequently used. The number of this software's who are use in programming CNC machine tools are a lot. In the paper are presented the concept who every CAM software is absolutely necessary to respect to obtain the CNC program
